diff --git a/app/views/projects/show.html.haml b/app/views/projects/show.html.haml
index 8a5abb64515..df8a5742450 100644
--- a/app/views/projects/show.html.haml
+++ b/app/views/projects/show.html.haml
@@ -21,8 +21,7 @@
   %nav.project-stats{ class: [container_class, ("limit-container-width" unless fluid_layout)] }
     = render 'stat_anchor_list', anchors: @project.statistics_anchors(show_auto_devops_callout: show_auto_devops_callout)
     = render 'stat_anchor_list', anchors: @project.statistics_buttons(show_auto_devops_callout: show_auto_devops_callout)
-    - if Feature.enabled?(:repository_languages, @project.namespace.becomes(Namespace))
-      = repository_languages_bar(@project.repository_languages)
+    = repository_languages_bar(@project.repository_languages)
 
 %div{ class: [container_class, ("limit-container-width" unless fluid_layout)] }
   - if @project.archived?
diff --git a/app/workers/detect_repository_languages_worker.rb b/app/workers/detect_repository_languages_worker.rb
index 537b8fd5963..081c0d42c27 100644
--- a/app/workers/detect_repository_languages_worker.rb
+++ b/app/workers/detect_repository_languages_worker.rb
@@ -14,8 +14,6 @@ class DetectRepositoryLanguagesWorker
     user = User.find_by(id: user_id)
     return unless project && user
 
-    return if Feature.disabled?(:repository_languages, project.namespace)
-
     try_obtain_lease do
       ::Projects::DetectRepositoryLanguagesService.new(project, user).execute
     end
diff --git a/doc/user/project/repository/img/repository_languages.png b/doc/user/project/repository/img/repository_languages.png
new file mode 100644
index 00000000000..d9fb1278e06
Binary files /dev/null and b/doc/user/project/repository/img/repository_languages.png differ
diff --git a/doc/user/project/repository/index.md b/doc/user/project/repository/index.md
index 704c1777e62..1c3915a5fdd 100644
--- a/doc/user/project/repository/index.md
+++ b/doc/user/project/repository/index.md
@@ -155,6 +155,16 @@ The repository graph displays visually the Git flow strategy used in that reposi
 
 Find it under your project's **Repository > Graph**.
 
+## Repository Languages
+
+For the default branch of each repository, GitLab will determine what programming languages
+were used and display this on the projects pages.
+
+![Repository Languages bar](img/repository_languages.png)
+
+Not all files are detected, among others; documentation, 
+vendored code, and most markup languages are excluded.
+
 ## Compare
 
 Select branches to compare and view the changes inline:
diff --git a/spec/services/projects/detect_repository_languages_service_spec.rb b/spec/services/projects/detect_repository_languages_service_spec.rb
index f90d558938f..deea1189cdf 100644
--- a/spec/services/projects/detect_repository_languages_service_spec.rb
+++ b/spec/services/projects/detect_repository_languages_service_spec.rb
@@ -5,10 +5,6 @@ describe Projects::DetectRepositoryLanguagesService, :clean_gitlab_redis_shared_
 
   subject { described_class.new(project, project.owner) }
 
-  before do
-    allow(Feature).to receive(:disabled?).and_return(false)
-  end
-
   describe '#execute' do
     context 'without previous detection' do
       it 'inserts new programming languages in the database' do